Microorganisms: Types, Characteristics and Effects (38 characters
1. Introduction
Definition of microorganisms
Importance of microorganisms in our daily life
II. Types of Microorganisms
Bacteria
Viruses
Fungi
Protozoa
Algae
III. Characteristics of Microorganisms
Size and shape
Reproduction
Metabolism
Structure
IV. Positive Effects of Microorganisms
Decomposition
Fermentation
Antibiotic production
Probiotics
Bioremediation
V. Negative Effects of Microorganisms
Disease-causing microorganisms
Food spoilage
Allergic reactions
VI. Prevention and Control of Microorganisms
Hygiene and sanitation
Vaccination
Antibiotics
2. Preservation methods
VII. Conclusion
Summary of key points
The role of microorganisms in our world
The importance of understanding microorganisms